General

  • Target

    b0feeca87adacbc536dd440435f54d8bf3bc8b9fb466791be220fa8f35574170

  • Size

    5.0MB

  • Sample

    240625-11fsvsyenr

  • MD5

    0c1de94f1c83d5cbd1b4089e07b75951

  • SHA1

    460b8766c041896eaacb71baf9d587d342f6c5b4

  • SHA256

    b0feeca87adacbc536dd440435f54d8bf3bc8b9fb466791be220fa8f35574170

  • SHA512

    a91078a0ae086a511a0603fd4a778323475943f10281261b91bb3b3471b86828d40899bbbf822e09db6e1e03bb2927491a0aaf6899fb770e2e3fb22e6c4bdcc4

  • SSDEEP

    98304:mbBAf8QKh0CNixmU44X6Rpx7ibeOMCnC8+9W7GmG55RYqspWSmgS8SnzzXiINq/:iBAfqh0Cgxl4cS7ibusj+9ISspWSs8cs

Malware Config

Extracted

Family

socks5systemz

C2

ckjbfcb.net

http://ckjbfcb.net/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff612c5ec979d3a

http://ckjbfcb.net/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12eab517aa5c96bd86e892824a805a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c993ece6d9117

bxorllb.com

http://bxorllb.com/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c5ec979d39

http://bxorllb.com/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12eab517aa5c96bd86ea92834496148ab2865b77f80ebad9c40f7cb63037ed2ab423a4664383ba915d911ec07bb606a0708727e40ea678c751bbe34efb0e2807e12571c17f3e83fe16c1e6969f38cf6894

Targets

    • Target

      b0feeca87adacbc536dd440435f54d8bf3bc8b9fb466791be220fa8f35574170

    • Size

      5.0MB

    • MD5

      0c1de94f1c83d5cbd1b4089e07b75951

    • SHA1

      460b8766c041896eaacb71baf9d587d342f6c5b4

    • SHA256

      b0feeca87adacbc536dd440435f54d8bf3bc8b9fb466791be220fa8f35574170

    • SHA512

      a91078a0ae086a511a0603fd4a778323475943f10281261b91bb3b3471b86828d40899bbbf822e09db6e1e03bb2927491a0aaf6899fb770e2e3fb22e6c4bdcc4

    • SSDEEP

      98304:mbBAf8QKh0CNixmU44X6Rpx7ibeOMCnC8+9W7GmG55RYqspWSmgS8SnzzXiINq/:iBAfqh0Cgxl4cS7ibusj+9ISspWSs8cs

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks